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Alpine R2-W12D4

2250W Peak (750W RMS) 12" R2-Series Dual 4-ohm Car Subwoofer

Alpine
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• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 6.43"
• Sensitivity: 84.6 dB

Learn more about the r2w12d4
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List price $540.00
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Current Promotions (2 offers)


Get a Free roll of Belva 12 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Alpine R2-W12D4

100% off


Priced separately $366 94

Promo Savings of $6 99

Total price:

$359 95

Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Alpine R2-W12D4

100% off


Priced separately $372 94

Promo Savings of $12 99

Total price:

$359 95

Description


Alpine brand icon

Authorized dealer


Alpine R2-W12D4

Since the Type R platform, Alpine’s R-Series sound system family has been known for its incredible output and reliable performance. Now Alpine introduces the next-generation of sound performance with the 2nd-Gen R-Series Subwoofers with even more bass output. The 2nd-Gen R-Series Subwoofers now feature larger, double-stacked magnets that contribute more motor force for deeper bass and tighter bass control from the subwoofer cone compared to the previous generation. An integrated Faraday ring minimizes distortion for cleaner bass output. A Kevlar-treated cone ensures durability in the subwoofer for reliable performance, even at high volumes.


Product Details:

  • 12" Dual 4 ohm R2 Series Subwoofer
  • Power Handling:
    • Peak: 2250 watts
    • RMS: 750 watts
  • Kevlar Reinforced Pulp Paper Cone
  • High-Amplitude Multi-Roll (HAMR) Surround
  • 2.6" High Temperature Voice coil
  • 20 mm Xmax
  • 144 oz. Double Stacked magnet motor structure
  • Frequency Response: 24 - 200 Hz
  • Resonance Frequency (Fs): 30 Hz
  • Sensitivity: 84.6 dB
  • Recommended sealed box volume: .55 cubic feet - 1.0 cubic feet
  • Recommended ported box volume: 1.0 cubic feet - 1.5 cubic feet
  • Top-mount depth: 6.43"
  • Cutout diameter: 10.83"
  • Authorized Internet Dealer
  • Subwoofer grille Alpine KTE-12G optional (sold separately)
  • 1-year Manufacturer's Warranty

  • Priced Individually

PDF IconAlpine R2W12D4 owner’s manual

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine R2-W12D4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine R2-W12D4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine R2-W12D4 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Alpine R2-W12D4 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
R2 Series
Subwoofer Size
12"
Peak Power Handling
2250 watts
RMS Power Handling
750 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
2.6"
Frequency Response
24 - 200 Hz
Sensitivity
84.6 dB
Xmax (millimeters)
20 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Kevlar Reinforced Pulp Paper
Woofer Surround
High-Amplitude Multi-Roll (HAMR)
Magnet Structure
Double Stacked
Magnet weight
144 oz.
Subwoofer Grille
Optional (Accessory required and sold separately)
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
.55 cubic feet
Maximum Sealed Box Volume
1.0 cubic feet
Minimum Ported Box Volume
1.0 cubic feet
Maximum Ported Box Volume
1.5 cubic feet
Top-Mount Depth (Mounting Depth)
6.43"
Cutout Diameter
10.83"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
30 Hz
Equivalent Compliance (Vas)
32.8 liters
Total Speaker Q Value (Qts)
.51
Electrical Q Value (Qes)
.55
Electrical Resistance of Voice Coil (Re)
3.5 ohm
Mechanical Q Value (Qms)
6.51
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Subwoofers
Subwoofer
Mounting screw cover (detached)
Other Accessory #1
12" R2-Series DVC Subwoofer with Cosmetic Trim Ring
Other Accessory #2
2 Jumper Wires for DVC Configuration
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

R2-W12D4

Weight:

30.00lbs

Internal SKU:

r2w12d4

Internal Product ID:

194411

Customer Ratings & Reviews


Alpine R2-W12D4 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.5
Features
4.5
Design
5
Usability
5

Customer Reviews

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By Adolfo on September 21, 2023 Checkmark Icon Verified purchase

17 found this helpful


By Jonathan on March 11, 2024 Checkmark Icon Verified purchase

7 found this helpful


You already know it's excellent

Great product but I still have to gripe about the fact that you have to purchase the grille separately. It's like, c'mon. I just dropped $400 on this sub and you guys couldn't throw a $3.00 (manufacturing cost) piece of plastic in the box with it to help me protect it? Instead, they want another $35 (before taxes and shipping) from me. It's a bad taste in my mouth toward the company. And put a freaking sticker or something in the box, too. Everyone loves a little swag for their toolbox or whatever. Likely one of the last Alpine purchases I'll be making after seeing that their loyalty is more towards the shareholders than the music!

By Ron on March 19, 2025 Checkmark Icon Verified purchase


Bassssssss

This is absolutely the subwoofer to have. I've had kicker, Rockford fosgate, pioneer, and skar in the past but this subwoofer is solid as far as the name brand subwoofer go.

By Brian on November 26, 2024 Checkmark Icon Verified purchase




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